Takayuki Shoji

Follow

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing heteroaromatic aldehydes
- Patent number 6,444,815
- Issue date Sep 3, 2002
- Koei Chemical Co., Ltd.
- Tetsushi Nishiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing a heterocyclic nitrile
- Patent number 6,437,122
- Issue date Aug 20, 2002
- Koei Chemical Company, Limited
- Takayuki Shoji
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing pyridine bases
- Patent number 6,281,362
- Issue date Aug 28, 2001
- Koel Chemical Company, Ltd.
- Keisuke Iwamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing pyrazine compounds
- Patent number 5,693,806
- Issue date Dec 2, 1997
- Koei Chemical Co., Ltd.
- Takayuki Shoji
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing monoallylamine
- Patent number 5,208,380
- Issue date May 4, 1993
- Koei Chemical Co., Ltd.
- Shinkichi Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing nitriles
- Patent number 4,931,561
- Issue date Jun 5, 1990
- Koei Chemical Co., Ltd.
- Shinkichi Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing nitriles
- Patent number 4,778,890
- Issue date Oct 18, 1988
- Koei Chemical Co., Ltd.
- Shinkichi Shimizu
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method for producing a heterocyclic nitrile
- Publication number 20010012892
- Publication date Aug 9, 2001
- Takayuki Shoji
- C07 - ORGANIC CHEMISTRY